(1-5/2)÷(1.25+20/3×5 等于多少,简便计算

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/28 15:50:58

(1-5/2)÷(1.25+20/3×5 等于多少,简便计算

(1-5/2)÷(1.25+20/3×5)
=0.6÷(1.25+0.75)
=0.6÷2
=0.3

=0.6÷(1.25+0.75)
=0.6÷2
=0.3